#include<stdio.h>
void swap(int *pa, int *pb)
{
    int t = 0;
    t = *pa;
    *pa = *pb;
    *pb = t;
}
int main()
{
    int a, b;
    scanf("%d %d", &a, &b);
    swap(&a, &b);
    printf("a=%d b=%d", a, b);
    return 0;
}